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Cognomen Briant (Brillant
, Briant
, ブライアン
) , throughout the world, is a common last name. The surname Briant is habitual in Reunion, where it is quite a common surname, France, where it is quite a rare surname, and New Zealand. In absolute terms, this name is the most popular in France, the United States, and the United Kingdom. Also, Briant is the forename as well as the last name.